diff --git a/extensions/community/MultitouchForJoystickCustom.json b/extensions/community/MultitouchForJoystickCustom.json
new file mode 100644
index 000000000..9bb0e9da6
--- /dev/null
+++ b/extensions/community/MultitouchForJoystickCustom.json
@@ -0,0 +1,270 @@
+{
+  "author": "",
+  "category": "Movement",
+  "dimension": "2D",
+  "extensionNamespace": "",
+  "fullName": "JoyChan",
+  "gdevelopVersion": "",
+  "helpPath": "",
+  "iconUrl": "data:image/svg+xml;base64,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",
+  "name": "MultitouchForJoystickCustom",
+  "previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/Glyphster Pack/Master/SVG/Videogames/b91cb8a9c1b7a99ee402b29982551afd10c3cf959d82de174c44adff7cc57ffb_Videogames_controller_joystick_arrows_direction.svg",
+  "shortDescription": "Joystick-chan only cares about one of your fingers.",
+  "version": "0.0.1",
+  "description": "This extension includes a behavior for the Thumb called Joystick, and an action with basic options called \"Are you having Joy?\".",
+  "tags": [
+    "Joystick",
+    "Multi",
+    "Multitouch"
+  ],
+  "authorIds": [
+    "FKjuaL0PE2WDrq94jY5kanJhLzM2"
+  ],
+  "dependencies": [],
+  "globalVariables": [],
+  "sceneVariables": [],
+  "eventsFunctions": [],
+  "eventsFunctionsFolderStructure": {
+    "folderName": "__ROOT"
+  },
+  "eventsBasedBehaviors": [
+    {
+      "description": "Simply add it to the Thumb (do not adjust its properties automatically), and make sure the Thumb, Border, and StickZone are all on the same layer, separate from the layer where the Camera is configured.",
+      "fullName": "JoyStick",
+      "helpPath": "",
+      "iconUrl": "",
+      "name": "Joystick",
+      "objectType": "Sprite",
+      "previewIconUrl": "",
+      "eventsFunctions": [
+        {
+          "description": "Select the Thumb, Border, and Zone, then set the Radius for your joystick.",
+          "fullName": "Are you having Joy?",
+          "functionType": "Action",
+          "name": "Function",
+          "sentence": "Thumb: _PARAM0_ Zone: _PARAM2_ Border: _PARAM3_ Set MaxRad: _PARAM4_ Layer: _PARAM5_",
+          "events": [
+            {
+              "type": "BuiltinCommonInstructions::Standard",
+              "conditions": [
+                {
+                  "type": {
+                    "value": "BooleanVariable"
+                  },
+                  "parameters": [
+                    "Active",
+                    "True",
+                    ""
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "HasAnyTouchOrMouseStarted"
+                  },
+                  "parameters": [
+                    ""
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "IsCursorOnObject"
+                  },
+                  "parameters": [
+                    "Zone",
+                    "",
+                    "",
+                    ""
+                  ]
+                }
+              ],
+              "actions": [
+                {
+                  "type": {
+                    "value": "SetBooleanVariable"
+                  },
+                  "parameters": [
+                    "Active",
+                    "False",
+                    ""
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "SetNumberVariable"
+                  },
+                  "parameters": [
+                    "TouchID",
+                    "=",
+                    "StartedTouchOrMouseId(0)"
+                  ]
+                }
+              ]
+            },
+            {
+              "type": "BuiltinCommonInstructions::Standard",
+              "conditions": [
+                {
+                  "type": {
+                    "value": "BooleanVariable"
+                  },
+                  "parameters": [
+                    "Active",
+                    "False",
+                    ""
+                  ]
+                }
+              ],
+              "actions": [
+                {
+                  "type": {
+                    "value": "SetX"
+                  },
+                  "parameters": [
+                    "Object",
+                    "=",
+                    "Border.X() + min(MaxRad, DistanceBetweenPositions(Border.X(), Border.Y(), TouchX(TouchID, Layer), TouchY(TouchID, Layer))) * cos(ToRad(AngleBetweenPositions(Border.X(), Border.Y(), TouchX(TouchID, Layer), TouchY(TouchID, Layer))))\n"
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "SetY"
+                  },
+                  "parameters": [
+                    "Object",
+                    "=",
+                    "Border.Y() + min(MaxRad, DistanceBetweenPositions(Border.X(), Border.Y(), TouchX(TouchID, Layer), TouchY(TouchID, Layer))) * sin(ToRad(AngleBetweenPositions(Border.X(), Border.Y(), TouchX(TouchID, Layer), TouchY(TouchID, Layer))))\n"
+                  ]
+                }
+              ]
+            },
+            {
+              "type": "BuiltinCommonInstructions::Standard",
+              "conditions": [
+                {
+                  "type": {
+                    "value": "BooleanVariable"
+                  },
+                  "parameters": [
+                    "Active",
+                    "False",
+                    ""
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "HasTouchEnded"
+                  },
+                  "parameters": [
+                    "",
+                    "TouchID"
+                  ]
+                }
+              ],
+              "actions": [
+                {
+                  "type": {
+                    "value": "SetX"
+                  },
+                  "parameters": [
+                    "Object",
+                    "=",
+                    "Border.X()"
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "SetY"
+                  },
+                  "parameters": [
+                    "Object",
+                    "=",
+                    "Border.Y()"
+                  ]
+                },
+                {
+                  "type": {
+                    "value": "SetBooleanVariable"
+                  },
+                  "parameters": [
+                    "Active",
+                    "True",
+                    ""
+                  ]
+                }
+              ]
+            }
+          ],
+          "parameters": [
+            {
+              "description": "Object",
+              "name": "Object",
+              "supplementaryInformation": "Sprite",
+              "type": "object"
+            },
+            {
+              "description": "Behavior",
+              "name": "Behavior",
+              "supplementaryInformation": "MultitouchForJoystickCustom::Joystick",
+              "type": "behavior"
+            },
+            {
+              "description": "Select the touch zone of the joystick",
+              "name": "Zone",
+              "type": "objectList"
+            },
+            {
+              "description": "Select the border object of the joystick",
+              "name": "Border",
+              "type": "objectList"
+            },
+            {
+              "description": "Set the maximum radius of the joystick",
+              "name": "MaxRad",
+              "type": "expression"
+            },
+            {
+              "description": "Select the Object layer",
+              "name": "Layer",
+              "type": "layer"
+            }
+          ],
+          "objectGroups": []
+        }
+      ],
+      "eventsFunctionsFolderStructure": {
+        "folderName": "__ROOT",
+        "children": [
+          {
+            "functionName": "Function"
+          }
+        ]
+      },
+      "propertyDescriptors": [
+        {
+          "value": "-1",
+          "type": "Number",
+          "label": "",
+          "name": "TouchID"
+        },
+        {
+          "value": "true",
+          "type": "Boolean",
+          "label": "",
+          "name": "Active"
+        }
+      ],
+      "propertiesFolderStructure": {
+        "folderName": "__ROOT",
+        "children": [
+          {
+            "propertyName": "TouchID"
+          },
+          {
+            "propertyName": "Active"
+          }
+        ]
+      }
+    }
+  ],
+  "eventsBasedObjects": []
+}